Cervical blood perfusion assessed using power Doppler-derived estimation of fractional moving blood volume: a reproducibility study

Abnormal cerebral blood flow in methamphetamine abusers assessed by brain perfusion single emission computed tomography

Introduction:Amphetamines are central nervous system (CNS) stimulant substances and amphetamine abuse is considered a growing problem in our country. Previous studies revealed destructive effects of amphetamines on metabolism, perfusion and structure of brain. The aim of current study was evaluating regional cerebral blood flow (rCBF) disturbances in methamphetamine (MA) abuser...

Blood perfusion hyperaemia in response to graded loading of human heels assessed by laser-Doppler imaging.

Heel pressure ulcers are important clinical, humanitarian and economic problems arising in part from localized blood flow deficits during loading and inadequate flow recovery. Because there are few data available with regard to the intrinsic physiological responses of heel skin to pressure-induced ischaemia, the present study was undertaken to characterize the main features of the post-loading ...

Identification of penumbra and infarct in acute ischemic stroke using computed tomography perfusion-derived blood flow and blood volume measurements.

BACKGROUND AND PURPOSE We investigated whether computed tomography (CT) perfusion-derived cerebral blood flow (CBF) and cerebral blood volume (CBV) could be used to differentiate between penumbra and infarcted gray matter in a limited, exploratory sample of acute stroke patients. METHODS Thirty patients underwent a noncontrast CT (NCCT), CT angiography (CTA), and CT perfusion (CTP) scan withi...

Signal processing for a laser-Doppler blood perfusion meter

Blood flow velocity in monocular retinoblastoma assessed by color doppler

OBJECTIVE To analyze the flow of retrobulbar vessels in retinoblastoma by color Doppler imaging. METHODS A prospective study of monocular retinoblastoma treated by enucleation between 2010 and 2014. The examination comprised fundoscopy, magnetic resonance imaging, ultrasonography and color Doppler imaging. The peak blood velocities in the central retinal artery and central retinal vein of tum...